DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerService data and specifications (SDS)
Idle Speed
Ignition Timing
Calculated Load Value
Mass Air Flow Sensor
*: Engine is warmed up to normal operating temperature and running under no
load. ...
Meter buzzer circuit
Description
The buzzer for warning chime system is installed in the
combination meter.
The combination meter sounds the alarm buzzer based on the signals
transmitted from various units.
Component Function Check
1. CHECK OPERATION OF METER BUZZER
Select "BUZZER" of "BCM" on CONSUL ...
P0125 ECT sensor
Description
The engine coolant temperature sensor is used to detect the engine
coolant temperature. The sensor modifies a voltage signal from the
ECM. The modified signal returns to the ECM as the engine coolant
temperature input. The sensor uses a thermistor which is sensitive to
the c ...